Zoology - Chemical Coordination and Integration Question with Solution | TestHub

The hormone which regulates the growth of mammary glands and formation of milk in them is prolactin. Prolactin is secreted by the pituitary gland, which is attached to the hypothalamus by a stalk. The gland situated at the base of diencephalon is hypothalamus. It secretes oxytocin, vasopressin and various releasing and inhibitory factors. The gland situated near the trachea is thyroid which produces thyroxine and calcitonin. The gland situated near the aorta is thymus which secretes thymosine which helps in maturation of T- lymphocytes